Home / 22,125.65-33,221.75-19,039.28

Finding the Fourth Proportional to 22,125.65, 33,221.75 and 19,039.28

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Solution

The fourth proportional to 22,125.65, 33,221.75 and 19,039.28 is: 28,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.65 : 33,221.75 = 19,039.28 : x
  2. Step 2: Convert to fraction form
    22,125.65/33,221.75 = 19,039.28/x
  3. Step 3: Cross multiply
    22,125.65x = 33,221.75 × 19,039.28
  4. Step 4: Simplify right side
    22,125.65x = 632,517,939.03
  5. Step 5: Solve for x
    x = 632,517,939.03/22,125.65
  6. Step 6: Final answer
    x = 28,587.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.